BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 91 67.9%
2 United States 18 13.4%
3 Netherlands 8 6%
4 Germany 4 3%
5 France 3 2.2%
6 Singapore 2 1.5%
7 Switzerland 2 1.5%
8 Hong Kong 2 1.5%
9 India 1 0.7%
10 Jordan 1 0.7%
11 Korea, Republic of 1 0.7%
12 Malaysia 1 0.7%